Heat transfer, mesh sensitivity analysis?
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Hi
I need to do a grid sensitivity analysis and to find the best node size which gives the most accurate heat loss. But the problem is that I found decreasing the node size changes the heat loss but it never converges. I changed the code to the simplest case with constant temperature on the boundaries but still, I see the same problem.
(the domain is two dimentionl with attached boundary conditions.)
It would be appreciated if help me.
I have attached my code.
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